Bolster and stake construction



Jan. 10, 19.33.

VV AJBALDWIN EOLSTER AND STAKE CONSTRUCTION Filed Oct. 1, 1930 @yeyzbz" 2% Patented Jan. 10, 1933 WILLIAM A. BALDWIN, 0F PANORA, IOWA BOLSTER AND STAKE CONSTRUCTION Application filed October 1, 1930.

The object of my invention is to provide a bolster and Stake construction which is simple, durable and comparatively inexpensive to manufacture.

More particularly it is my object to provide a stake for a bolster which eliminates the disadvantage of the mortice and tenon joint between the ordinary type of stake and bolster into which water often runs and 0 causes rotting of both the stake and the bolster.

A further object is to provide a metallic stake for a bolster with vertical grooves in the sides of the bolster for the arms of the stake, which is bent substantially U-shaped, to fit into whereby to prevent misalinement of the stake relative to the bolster and make it possible to secure the stake to the bolster with but one bolt.

A further object is to provide a light yet strong stake formed of channel iron or the like with grooves formed in the sides of the bolster for the flanges of the stake, and to provide a brace member peculiarly associated with the stake member as will hereinafter be specifically described.

With these and other objects in view my invention consists in the construction, arrangement and combination of the various parts of my device, wherebv the objects contemplated are attained, as hereinafter more fully set forth, pointed out in my claims, and illustrated in the accompanying drawing, in which:

Figure 1 is a perspective view of a bolster and stake construction embodying my invention.

Figure 2 is a front elevation of one end of the bolster and the stake thereon.

Figure 3 is a sectional view on the line 3-3 of Figure 2, illustrating an inside elevation of the stake member and showing the bolster member in cross section.

Figure 4 is a central, sectional view taken on the vertical line ti of Figure 3.

Figure 5 is a partial, sectional view taken on the line 55 of Figure 2 and illustrating the upper end of the brace member secured between the sides of the stake member.

stake A and may consist of a flat bar with an eye 18a formed on one end thereof. The eye 18a is adapted to be secured relative to the portions 146 of the stake A by means of Serial No. 485,689.

Figure 6 is a sectional plan view on the line 66 of Figure 2.

Figure 7 is asectional plan view on the line 7-7 of Figure 2; and

Figure 8 is a similar sectional view showing a stake member having different shaped cross section.

On the accompanying drawing, I have used the reference numeral 10 to indicate the bolster on a wagon or the like to which my stake is applied. A pair of vertical grooves 12 are formed in each side of the bolster 10 adjacent each end thereof.

The stake member itself is referred to generally by the reference character A and comprises a metallic bar 14 preferably of channel shaped cross section as shown in Figure 7, but which may be of other cross sectional shapes if desired. The bar 14 is folded as indicated at 14a, and has a pair of parallel sides indicated at 146, the sides diverge as indicated at 140 and are again bent at 14d. The portions 1461 have their flanges positioned in the grooves 12 as best shown in Figure 7 of the drawing. A bolt 16 extends through the portions 14d and through an opening 17 in the bolster 10 for securing the stake A in the position just described.

A brace member 18 is provided for the a bolt 20. From the eye 18a the brace 18 extends downwardly and angularly as indicated at 18?) and is then bent at an acute angle to form a foot 180. The foot 180 is secured to the upper surface of the bolster 10 by a bolt 22 extending through an opening 24 bored vertically through the bolster.

By referring to Figure 5 it will be noted that the eye 18a of the brace member 18 is secured between the narrow part 14?) of the stake A, it being positioned between the Webs of the channel shaped member A. It then extends downwardly and protrudes from the outer surface of the stake between the portions where they are wide enough for it to extend through. As shown in Figure 8, the stake A may be formed of flat bar material 26 and a single groove 28 may be formed in each side of the bolster 10 for the bar to be positioned in. Although this type of construction is not quite as strong as when channel iron is used, it nevertheless has the advantage of providing alinement grooves for the stake which places the stake at right angles with the upper surface of the bolster, making it possible to use but one bolt 16 for fastening the stake in position with respect to the bolster. The usual extension stake loops 30 are provided, the lower one being bolted by the bolt 20 and the upper one being bolted in position by a bolt 32.

Some changes may be made in the construction and arrangement of the parts of my device without departing from the real spirit and purpose of my invention, and it is my intention to cover by my claims, any modified forms of structure or use of mechanical equivalents, which may be reasonably included within their scope.

I claim as my invention:

1. In a bolster and stake construction, a

bolster member having adjacent each end thereof a pair of vertical grooves in each side of the bolster Inember, a stake member for each end of said bolster member, each stake member being formed of channel shaped metal bent U-shaped, the flanges only of the lower ends of said stake members being embedded in said grooves and means for holding said stakes in such position with their flanges so embedded in said grooves of said bolster member.

2. In a bolster and stake construction, a bolster member having vertical grooves in each of the sides thereof, a stake member formed of channel shaped metal bent at the upper end thereof to substantially U-shape, the flanges only of the lower ends of said stake member being positioned in said grooves, a brace member having its upper end bolted between the sides of said stake member intermediate the ends thereof and acting as a spacer therebetween, said brace member extending angularly from said bolt and having its lower end bolted to the top of said bolster member and means for retaining said flange of said stake member in said grooves of said bolster member.

Des Moines, Iowa, September 18, 1930.

WILLIAM A. BALDWIN. 

